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US1968196A
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System for loading and unloading trailers from railroad cars
Assignee: Mechanical Handling Systems Inc
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Filing: 1931-12-03
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Granted: 1934-07-31
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Expires: 1951-12-03
Abstract
No abstract record available.
Inventors
- 👤 Lynn M Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:45
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/001; B61D45/004; B61D45/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-30 | 1938-01-29 | 1938-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-30 | 1942-01-29 | 1942-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-30 | 1946-01-29 | 1946-07-31 | $7700.00 | Window Closed / Lapsed |